Question: Who is the name of the fictional human created by Jerry Seinfield?
Paraphrase: What is the name of the fictional character created by Jerry Seinfield?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P170 wd:Q215506 . ?sbj wdt:P31 wd:Q15632617 } 
Answer: Jerry Seinfeld, George Costanza, Elaine Benes, Cosmo Kramer, Jackie Chiles, Uncle Leo, Newman, Morty Seinfeld, Ken, Layton T. Montgomery, Frank Costanza